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A small marble is dropped from a height of 12 m and comes to rest after penetrating 2.3 cm into sand. a) Determine the marble's impact speed at the sand's surface. b) Determine the marble's deceleration while impacting with the sand.
A ball is thrown so that its initial vertical and horizontal components of velocity are 60 m/s and 15 m/s, respectively. Estimate the maximum height the ball reaches
To warm up for a match, a tennis player hits the 56.0 ball vertically with her racket. what impulse did she impart to it
A fan is spinning at 900 rpm. When its motor is turned off it makes 75 rev before coming to a stop. If the work down by dissipative forces is 44.4J, Find the moment of Inertia of the fan and the torque due to dissipative forces.
A baseball (mass 0.14 kg, radius 3.7 cm) is spinning with an angular velocity of 98 rad/s. What is its rotational kinetic energy
A container of 1m^3 contains one cubic meter of liquid water at a temperature of 0 degrees Celsius. calculate heat current in radiation leaving the cube
A 87 g arrow is fired from a bow whose string exerts an average force of 105 N on the arrow over a distance of 76 cm. Illustrate what is the speed of the arrow as it leaves the bow?
A thin film of oil (with index of refraction 1.36) is located on a smooth, wet pavement. How thick is the oil film
Two ambulances move toward each other on a straight road. Each travels at a speed of 65 mph. The siren on each ambulance produces a sound wave of frequency 460 Hz. (Take the speed of sound in air to be 340 m/s.)
The normal cash price for this type of equipment is $125,000 while the cost to Perry was $105,000. For the year ended December 31, 2011, illustrate by what amount will Perry's pretax earnings increase from this lease?
When a body of mass m is moving with a speed v, it has kinetic energy associated with its motion. by what percentage does the kinetic energy increase
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 62.12 diopters, How far is the blackboard from her eyes
You set up an experiment with two polarizer screens on an optical bench and collect data for the intensity of the light at the detector as you vary the relative angle between the transmission axes of the polarizers. What is intensity of the light s..
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